code: def test_spec_path_iter(self):
      self.assertEqual(
          sorted(path.name for path in self.files.iterdir()),
          ["a", "b", "c"],
      )
  
imports: import io
  import unittest
  from importlib import resources
  from importlib.resources._adapters import CompatibilityFiles, wrap_spec
  from .None import util
label_desc: Use image node_id 3 for calling the CompatibilityFilesTests obj's underlying member method code with example usage: obj.test_spec_path_iter() without return types